* Makefile.in (ALLDEPFILES): Add i386-cygwin-tdep.c.

	(i386-cygwin-tdep.o): Add dependencies.
	* defs.h (enum gdb_osabi): Add GDB_OSABI_CYGWIN.
	* i386-cygwin-tdep.c: New file.
	* osabi.c (gdb_osabi_name): Add string for GDB_OSABI_CYGWIN.
	* config/i386/cygwin.mt (TDEPFILES): Add i386-cygwin-tdep.o.

1 files changed, 55 insertions, 0 deletions

diff --git a/gdb/i386-cygwin-tdep.c b/gdb/i386-cygwin-tdep.c
new file mode 100644
index 00000000000..b07911b3b33
--- /dev/null
+++ b/gdb/i386-cygwin-tdep.c
@@ -0,0 +1,55 @@
+/* Target-dependent code for Cygwin running on i386's, for GDB.
+   Copyright 2003 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+
+#include "gdb_string.h"
+#include "i386-tdep.h"
+#include "osabi.h"
+
+static void
+i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+  tdep->struct_return = reg_struct_return;
+}
+
+static enum gdb_osabi
+i386_cygwin_osabi_sniffer (bfd * abfd)
+{ 
+  char *target_name = bfd_get_target (abfd);
+
+  /* Interix also uses pei-i386. 
+     We need a way to distinguish between the two. */
+  if (strcmp (target_name, "pei-i386") == 0)
+    return GDB_OSABI_CYGWIN;
+
+  return GDB_OSABI_UNKNOWN;
+}
+
+void
+_initialize_i386_cygwin_tdep (void)
+{
+  gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_coff_flavour,
+                                  i386_cygwin_osabi_sniffer);
+
+  gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_CYGWIN,
+                          i386_cygwin_init_abi);
+}